NO Solver Timeout: 4 Global Timeout: 60 Maximum number of concurrent processes: 900 ******************************************************************************************* *********************** UNPROCESSED TRANSITION SYSTEMS PER FUNCTION *********************** ******************************************************************************************* List of LLVMGraphs + assumeNodes + staticAssertNodes [1] : +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ + + Init Location: 0 Transitions: 0, main_i -> ¿functionCall(__VERIFIER_nondet_int)}> 5)> 5))> (main_i + 1)}> (main_i - 1)}> 0}> 0}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: Accepting locations: Asserts: + Assume Nodes [0]: ++++++++++++++++++++++++++++++++++++++++++++++++ + Static Assert Nodes [0]: +++++++++++++++++++++++++++++++++++++++++ + After preprocess (paralelization): ++++++++++++++++++++++++++++++ Init Location: 0 Transitions: 0}> ¿functionCall(__VERIFIER_nondet_int)}> varCall_1}> 5)> 5))> (main_i + 1)}> (main_i - 1)}> 0}> 0}> Fresh variables: Undef variables: Abstraction variables: Exit nodes: 14, Accepting locations: Asserts: + + +++++++++++++++++++++++++++++++ main +++++++++++++++++++++++++++++++ Function Return and Parameters Information [2 functions]: function name: __VERIFIER_nondet_int [1 return + 0 parameters] demangled: __VERIFIER_nondet_int __VERIFIER_nondet_int__func_return_ [function result] : int function name: main [1 return + 0 parameters] demangled: main main__func_return_ [function result] : int AST Ident Scanner Information [3 idents]: __VERIFIER_nondet_int | function | [integer, ()] | | main | function | [integer, ()] | i | local variable | integer | | Main function: main Preprocessed LLVMGraph Init Location: 0 Transitions: 5)) /\ (main_i < ~(5)), par{main_i -> (main_i - 1)}> 5)) /\ not((main_i < ~(5))), par{main_i -> 0}> 0) /\ (main_i > 5), par{main_i -> (main_i + 1)}> 0) /\ not((main_i > 5)) /\ not((main_i < ~(5))), par{main_i -> 0}> Fresh variables: undef2, Undef variables: undef2, Abstraction variables: Exit nodes: 14, Accepting locations: Asserts: ************************************************************* ******************************************************************************************* *********************** WORKING TRANSITION SYSTEM (DAG) *********************** ******************************************************************************************* Init Location: 0 Graph 0: Transitions: Variables: Graph 1: Transitions: -1 + main_i, rest remain the same}> 0, rest remain the same}> 1 + main_i, rest remain the same}> 0, rest remain the same}> Variables: main_i Graph 2: Transitions: Variables: Precedence: Graph 0 Graph 1 Graph 2 Map Locations to Subgraph: ( 0 , 0 ) ( 2 , 1 ) ( 14 , 2 ) ******************************************************************************************* ******************************** CHECKING ASSERTIONS ******************************** ******************************************************************************************* Proving termination of subgraph 0 Proving termination of subgraph 1 Checking unfeasibility... Time used: 0.004701 Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001257s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.035801s [48779 : 48781] [48779 : 48782] Successful child: 48781 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -1 + main_i, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + main_i, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 0, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -1 + main_i, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 0, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 1 + main_i, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 0, rest remain the same}> New Graphs: Transitions: 1 + main_i, rest remain the same}> 0, rest remain the same}> Variables: main_i Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000738s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003459s Piecewise ranking function: min(-7 + 7*main_i,71 - 6*main_i) New Graphs: Transitions: 1 + main_i, rest remain the same}> Variables: main_i Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000397s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001171s [48779 : 48786] [48779 : 48787] Successful child: 48786 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 1 + main_i, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): 0, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 1 + main_i, rest remain the same}> New Graphs: LOG: CALL check - Post:0 <= main_i - Process 1 * Exit transition: * Postcondition : 0 <= main_i LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000441s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000522s INVARIANTS: 2: Quasi-INVARIANTS to narrow Graph: 2: 0 <= main_i , LOG: CALL check - Post:main_i <= 5 - Process 2 * Exit transition: * Postcondition : main_i <= 5 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000439s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000524s INVARIANTS: 2: Quasi-INVARIANTS to narrow Graph: 2: main_i <= 5 , Narrowing transition: -1 + main_i, rest remain the same}> LOG: Narrow transition size 2 It's unfeasible. Removing transition: 0, rest remain the same}> Narrowing transition: 1 + main_i, rest remain the same}> LOG: Narrow transition size 2 It's unfeasible. Removing transition: 0, rest remain the same}> invGraph after Narrowing: Transitions: -1 + main_i, rest remain the same}> 1 + main_i, rest remain the same}> Variables: main_i Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000652s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003059s [48779 : 48791] [48779 : 48792] Successful child: 48791 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): -1 + main_i, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 1 + main_i, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... > It's unfeasible. Removing transition: 1 + main_i, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): -1 + main_i, rest remain the same}> New Graphs: Transitions: -1 + main_i, rest remain the same}> Variables: main_i Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000441s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001286s [48779 : 48796] [48779 : 48797] Successful child: 48796 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -1 + main_i, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: -1 + main_i, rest remain the same}> New Graphs: LOG: CALL check - Post:main_i <= 0 - Process 3 * Exit transition: * Postcondition : main_i <= 0 LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000599s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000702s INVARIANTS: 2: Quasi-INVARIANTS to narrow Graph: 2: main_i <= 0 , LOG: CALL check - Post:0 <= 5 + main_i - Process 4 * Exit transition: * Postcondition : 0 <= 5 + main_i LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000520s > Postcondition is not implied! LOG: RETURN check - Elapsed time: 0.000604s INVARIANTS: 2: Quasi-INVARIANTS to narrow Graph: 2: 0 <= 5 + main_i , Narrowing transition: -1 + main_i, rest remain the same}> LOG: Narrow transition size 2 Narrowing transition: 1 + main_i, rest remain the same}> LOG: Narrow transition size 2 invGraph after Narrowing: Transitions: -1 + main_i, rest remain the same}> 1 + main_i, rest remain the same}> Variables: main_i Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000671s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.003045s [48779 : 48801] [48779 : 48802] Successful child: 48801 [ Invariant Graph ] Strengthening and disabling transitions... LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): -1 + main_i, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility It's unfeasible. Removing transition: 1 + main_i, rest remain the same}> [ Termination Graph ] Strengthening and disabling transitions... > It's unfeasible. Removing transition: 1 + main_i, rest remain the same}> LOG: CALL solverLinear in Graph for feasibility LOG: RETURN solveLinear in Graph for feasibility Strengthening transition (result): -1 + main_i, rest remain the same}> New Graphs: Transitions: -1 + main_i, rest remain the same}> Variables: main_i Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000453s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001277s [48779 : 48806] [48779 : 48807] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.005774s Time used: 0.005447 Improving Solution with cost 1 ... LOG: CALL solveNonLinearGetNextSolution LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.012159s Time used: 0.012155 LOG: SAT solveNonLinear - Elapsed time: 0.017934s Cost: 1; Total time: 0.017602 Quasi-ranking function: 50000 + main_i New Graphs: Transitions: -1 + main_i, rest remain the same}> Variables: main_i Checking conditional termination of SCC {l2}... LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.000403s LOG: CALL solveLinear LOG: RETURN solveLinear - Elapsed time: 0.001196s [48779 : 48811] [48779 : 48812] Solving with 1 template(s). LOG: CALL solveNonLinearGetFirstSolution LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.004503s Time used: 0.004153 [48779 : 48816] [48779 : 48820] Successful child: 48816 Program does NOT terminate